Last modified by Xiaoling on 2023/05/26 14:19
<
From version < 146.8 >
edited by Xiaoling
on 2022/08/16 14:21
To version < 73.1 >
edited by Edwin Chen
on 2022/07/03 00:12
>
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
26 -)))
27 -
28 -(((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 -)))
32 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 58  * Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -65,11 +65,8 @@
65 65  * Firmware upgradable via UART interface
66 66  * Ultra-long RF range
67 67  
32 +== Specification ==
68 68  
69 -
70 -== 1.3  Specification ==
71 -
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,251 +88,340 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
52 +== AT Command ==
91 91  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
57 +== Dimension ==
95 95  
96 -[[image:image-20220814101457-1.png||height="553" width="761"]]
59 +[[image:image-20220517072526-1.png]]
97 97  
98 -~1. The LED lights up red when there is an upstream data packet
99 -2. When the network is successfully connected, the green light will be on for 5 seconds
100 -3. Purple light on when receiving downlink data packets
101 101  
62 +== Pin Mapping ==
102 102  
64 +[[image:image-20220523101537-1.png]]
103 103  
104 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
66 +== Land Pattern ==
105 105  
68 +[[image:image-20220517072821-2.png]]
106 106  
107 -**Show connection diagram：**
108 108  
71 +== Order Info ==
109 109  
110 -[[image:image-20220723170210-2.png||height="908" width="681"]]
73 +Part Number: **LA66-XXX**
111 111  
75 +**XX**: The default frequency band
112 112  
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
113 113  
114 -(% style="color:blue" %)**1.  open Arduino IDE**
87 += LA66 LoRaWAN Shield =
115 115  
89 +== Overview ==
116 116  
117 -[[image:image-20220723170545-4.png]]
91 +LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
118 118  
119 119  
94 +== Features ==
120 120  
121 -(% style="color:blue" %)**2.  Open project**
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* Support LoRaWAN v1.0.4 protocol
98 +* Support peer-to-peer protocol
99 +* TCXO crystal to ensure RF performance on low temperature
100 +* SMA connector
101 +* Available in different frequency LoRaWAN frequency bands.
102 +* World-wide unique OTAA keys.
103 +* AT Command via UART-TTL interface
104 +* Firmware upgradable via UART interface
105 +* Ultra-long RF range
122 122  
107 +== Specification ==
123 123  
124 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
109 +* CPU: 32-bit 48 MHz
110 +* Flash: 256KB
111 +* RAM: 64KB
112 +* Input Power Range: 1.8v ~~ 3.7v
113 +* Power Consumption: < 4uA.
114 +* Frequency Range: 150 MHz ~~ 960 MHz
115 +* Maximum Power +22 dBm constant RF output
116 +* High sensitivity: -148 dBm
117 +* Temperature:
118 +** Storage: -55 ~~ +125℃
119 +** Operating: -40 ~~ +85℃
120 +* Humidity:
121 +** Storage: 5 ~~ 95% (Non-Condensing)
122 +** Operating: 10 ~~ 95% (Non-Condensing)
123 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
124 +* LoRa Rx current: <9 mA
125 +* I/O Voltage: 3.3v
125 125  
126 -[[image:image-20220726135239-1.png]]
127 +== Pin Mapping & LED ==
127 127  
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
128 128  
129 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
130 130  
131 -[[image:image-20220726135356-2.png]]
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
132 132  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
133 133  
134 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
137 +=== what needs to be used ===
135 135  
139 +1.LA66 LoRaWAN Shield that needs to be upgraded
136 136  
137 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
141 +2.Arduino
138 138  
143 +3.USB TO TTL
139 139  
145 +[[image:image-20220602100052-2.png]]
140 140  
141 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
147 +=== Wiring Schematic ===
142 142  
149 +[[image:image-20220602101311-3.png]]
143 143  
144 -(% style="color:blue" %)**1.  Open project**
151 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
145 145  
153 +GND  >>>>>>>>>>>>GND
146 146  
147 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
155 +TXD  >>>>>>>>>>>>TXD
148 148  
157 +RXD  >>>>>>>>>>>>RXD
149 149  
150 -[[image:image-20220723172502-8.png]]
159 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
151 151  
161 +Connect to the PC after connecting the wires
152 152  
163 +[[image:image-20220602102240-4.png]]
153 153  
154 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
165 +=== Upgrade steps ===
155 155  
167 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
156 156  
157 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
169 +[[image:image-20220602102824-5.png]]
158 158  
171 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
159 159  
173 +[[image:image-20220602104701-12.png]]
160 160  
161 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
175 +==== Open the upgrade application software ====
162 162  
177 +Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
163 163  
164 -(% style="color:blue" %)**1.  Open project**
179 +[[image:image-20220602103227-6.png]]
165 165  
181 +[[image:image-20220602103357-7.png]]
166 166  
167 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
183 +===== Select the COM port corresponding to USB TTL =====
168 168  
185 +[[image:image-20220602103844-8.png]]
169 169  
170 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
187 +===== Select the bin file to burn =====
171 171  
189 +[[image:image-20220602104144-9.png]]
172 172  
191 +[[image:image-20220602104251-10.png]]
173 173  
174 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
193 +[[image:image-20220602104402-11.png]]
175 175  
195 +===== Click to start the download =====
176 176  
177 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
197 +[[image:image-20220602104923-13.png]]
178 178  
199 +===== The following figure appears to prove that the burning is in progress =====
179 179  
201 +[[image:image-20220602104948-14.png]]
180 180  
181 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
203 +===== The following picture appears to prove that the burning is successful =====
182 182  
183 -For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
205 +[[image:image-20220602105251-15.png]]
184 184  
185 -[[image:image-20220723175700-12.png||height="602" width="995"]]
186 186  
208 +== Order Info ==
187 187  
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
188 188  
189 -== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
212 +**XX**: The default frequency band
190 190  
214 +* **AS923**: LoRaWAN AS923 band
215 +* **AU915**: LoRaWAN AU915 band
216 +* **EU433**: LoRaWAN EU433 band
217 +* **EU868**: LoRaWAN EU868 band
218 +* **KR920**: LoRaWAN KR920 band
219 +* **US915**: LoRaWAN US915 band
220 +* **IN865**: LoRaWAN IN865 band
221 +* **CN470**: LoRaWAN CN470 band
222 +* **PP**: Peer to Peer LoRa Protocol
191 191  
192 -=== 1.8.1  Items needed for update ===
224 +== Package Info ==
193 193  
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
194 194  
195 -1. LA66 LoRaWAN Shield
196 -1. Arduino
197 -1. USB TO TTL Adapter
198 198  
199 -[[image:image-20220602100052-2.png||height="385" width="600"]]
200 200  
201 201  
232 += LA66 USB LoRaWAN Adapter =
202 202  
203 -=== 1.8.2  Connection ===
234 +== Overview ==
204 204  
236 +LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
205 205  
206 -[[image:image-20220602101311-3.png||height="276" width="600"]]
207 207  
239 +== Features ==
208 208  
209 -(((
210 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
211 -)))
241 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
242 +* Ultra-long RF range
243 +* Support LoRaWAN v1.0.4 protocol
244 +* Support peer-to-peer protocol
245 +* TCXO crystal to ensure RF performance on low temperature
246 +* Spring RF antenna
247 +* Available in different frequency LoRaWAN frequency bands.
248 +* World-wide unique OTAA keys.
249 +* AT Command via UART-TTL interface
250 +* Firmware upgradable via UART interface
212 212  
213 -(((
214 -(% style="background-color:yellow" %)**GND  <-> GND
215 -TXD  <->  TXD
216 -RXD  <->  RXD**
217 -)))
218 218  
219 219  
220 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
254 +== Specification ==
221 221  
222 -Connect USB TTL Adapter to PC after connecting the wires
256 +* CPU: 32-bit 48 MHz
257 +* Flash: 256KB
258 +* RAM: 64KB
259 +* Input Power Range: 5v
260 +* Frequency Range: 150 MHz ~~ 960 MHz
261 +* Maximum Power +22 dBm constant RF output
262 +* High sensitivity: -148 dBm
263 +* Temperature:
264 +** Storage: -55 ~~ +125℃
265 +** Operating: -40 ~~ +85℃
266 +* Humidity:
267 +** Storage: 5 ~~ 95% (Non-Condensing)
268 +** Operating: 10 ~~ 95% (Non-Condensing)
269 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
270 +* LoRa Rx current: <9 mA
223 223  
224 224  
225 -[[image:image-20220602102240-4.png||height="304" width="600"]]
226 226  
274 +== Pin Mapping & LED ==
227 227  
276 +== Example Send & Get Messages via LoRaWAN in PC ==
228 228  
229 -=== 1.8.3  Upgrade steps ===
278 +Connect the LA66 LoRa Shield to the PC
230 230  
280 +[[image:image-20220602171217-1.png||height="615" width="915"]]
231 231  
232 -==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
282 +Open the serial port tool
233 233  
284 +[[image:image-20220602161617-8.png]]
234 234  
235 -[[image:image-20220602102824-5.png||height="306" width="600"]]
286 +[[image:image-20220602161718-9.png||height="529" width="927"]]
236 236  
288 +Press the reset switch RST on the LA66 LoRa Shield.
237 237  
290 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
238 238  
239 -==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
292 +[[image:image-20220602161935-10.png]]
240 240  
294 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
241 241  
242 -[[image:image-20220602104701-12.png||height="285" width="600"]]
296 +example: AT+SENDB=01,02,8,05820802581ea0a5
243 243  
298 +[[image:image-20220602162157-11.png]]
244 244  
300 +Check to see if TTN received the message
245 245  
246 -==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
302 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
247 247  
304 +== Example Send & Get Messages via LoRaWAN in RPi ==
248 248  
249 -(((
250 -(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
251 -)))
306 +Connect the LA66 LoRa Shield to the RPI
252 252  
308 +[[image:image-20220602171233-2.png||height="592" width="881"]]
253 253  
254 -[[image:image-20220602103227-6.png]]
310 +Log in to the RPI's terminal and connect to the serial port
255 255  
312 +[[image:image-20220602153146-3.png]]
256 256  
257 -[[image:image-20220602103357-7.png]]
314 +Press the reset switch RST on the LA66 LoRa Shield.
315 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
258 258  
317 +[[image:image-20220602154928-5.png]]
259 259  
319 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
260 260  
261 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
262 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
321 +example: AT+SENDB=01,02,8,05820802581ea0a5
263 263  
323 +[[image:image-20220602160339-6.png]]
264 264  
265 -[[image:image-20220602103844-8.png]]
325 +Check to see if TTN received the message
266 266  
327 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
267 267  
329 +=== Install Minicom ===
268 268  
269 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
270 -(% style="color:blue" %)**3. Select the bin file to burn**
331 +Enter the following command in the RPI terminal
271 271  
333 +apt update
272 272  
273 -[[image:image-20220602104144-9.png]]
335 +[[image:image-20220602143155-1.png]]
274 274  
337 +apt install minicom
275 275  
276 -[[image:image-20220602104251-10.png]]
339 +[[image:image-20220602143744-2.png]]
277 277  
341 +=== Send PC's CPU/RAM usage to TTN via script. ===
278 278  
279 -[[image:image-20220602104402-11.png]]
343 +==== Take python as an example： ====
280 280  
345 +===== Preconditions: =====
281 281  
347 +1.LA66 USB LoRaWAN Adapter works fine
282 282  
283 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
284 -(% style="color:blue" %)**4. Click to start the download**
349 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
285 285  
286 -[[image:image-20220602104923-13.png]]
351 +===== Steps for usage =====
287 287  
353 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
288 288  
355 +2.Run the script and see the TTN
289 289  
290 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
291 -(% style="color:blue" %)**5. Check update process**
357 +[[image:image-20220602115852-3.png]]
292 292  
293 293  
294 -[[image:image-20220602104948-14.png]]
295 295  
361 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
296 296  
297 297  
298 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
299 -(% style="color:blue" %)**The following picture shows that the burning is successful**
364 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
300 300  
301 -[[image:image-20220602105251-15.png]]
302 302  
303 303  
368 +== Order Info ==
304 304  
305 -= 2.  FAQ =
370 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
306 306  
372 +**XX**: The default frequency band
307 307  
308 -== 2.1  How to Compile Source Code for LA66? ==
374 +* **AS923**: LoRaWAN AS923 band
375 +* **AU915**: LoRaWAN AU915 band
376 +* **EU433**: LoRaWAN EU433 band
377 +* **EU868**: LoRaWAN EU868 band
378 +* **KR920**: LoRaWAN KR920 band
379 +* **US915**: LoRaWAN US915 band
380 +* **IN865**: LoRaWAN IN865 band
381 +* **CN470**: LoRaWAN CN470 band
382 +* **PP**: Peer to Peer LoRa Protocol
309 309  
384 +== Package Info ==
310 310  
311 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
386 +* LA66 USB LoRaWAN Adapter x 1
312 312  
313 -
314 -
315 -= 3.  Order Info =
316 -
317 -
318 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
319 -
320 -
321 -(% style="color:blue" %)**XXX**(%%): The default frequency band
322 -
323 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
324 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
325 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
326 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
327 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
328 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
329 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
330 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
331 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
332 -
333 -
334 -
335 -= 4.  Reference =
336 -
337 -
338 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
388 +
image-20220715000242-1.png
Author
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